WIP: device tree MVP

dts/bindings/can/bosch,m-can-base.yaml

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+description: Bosch m_can CAN-FD controller base
+
+compatible: "bosch,m-can-base"
+
+properties:
+    std-filter-elements:
+      type: int
+      required: true
+
+    ext-filter-elements:
+      type: int
+      required: true
+
+    rx-fifo0-elements:
+      type: int
+      required: true
+
+    rx-fifo1-elements:
+      type: int
+      required: true
+
+    rx-buffer-elements:
+      type: int
+      required: true
+
+    tx-buffer-elements:
+      type: int
+      required: true

dts/bindings/can/bosch,m-can.yaml

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+description: Bosch m_can CAN-FD controller
+
+compatible: "bosch,m-can"
+
+include: can-fd-controller.yaml
+
+properties:
+    reg:
+      required: true
+
+    interrupts:
+      required: true

dts/bindings/can/can-controller.yaml

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+# Common fields for CAN controllers
+
+include: base.yaml
+
+bus: can
+
+properties:
+    label:
+      required: true
+    bus-speed:
+      type: int
+      required: true
+      description: bus speed in Baud/s
+    sjw:
+      type: int
+      required: true
+      description: Resynchronization jump width (ISO 11898-1)
+    prop-seg:
+      type: int
+      required: false
+      description: Time quantums of propagation segment (ISO 11898-1)
+    phase-seg1:
+      type: int
+      required: false
+      description: Time quantums of phase buffer 1 segment (ISO 11898-1)
+    phase-seg2:
+      type: int
+      required: false
+      description: Time quantums of phase buffer 2 segment (ISO 11898-1)
+    sample-point:
+      type: int
+      required: false
+      description: >
+        Sample point in permille.
+        This param is required if segments are not given.
+        If the sample point is given, the segments are ignored.

dts/bindings/can/can-device.yaml

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+# Copyright (c) 2018 Alexander Wachter
+# SPDX-License-Identifier: Apache-2.0
+
+# Common fields for CAN devices
+
+include: base.yaml
+
+on-bus: can
+
+properties:
+    reg:
+      required: true
+    label:
+      required: true

dts/bindings/can/can-fd-controller.yaml

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+# Common fields for CAN-FD controllers
+
+include: can-controller.yaml
+
+properties:
+    bus-speed-data:
+      type: int
+      required: true
+      description: data phase bus speed in Baud/s
+    sjw-data:
+      type: int
+      required: true
+      description: Resynchronization jump width for the data phase. (ISO11898-1:2015)
+    prop-seg-data:
+      type: int
+      required: false
+      description: Time quantums of propagation segment for the data phase. (ISO11898-1:2015)
+    phase-seg1-data:
+      type: int
+      required: false
+      description: Time quantums of phase buffer 1 segment for the data phase. (ISO11898-1:2015)
+    phase-seg2-data:
+      type: int
+      required: false
+      description: Time quantums of phase buffer 2 segment for the data phase. (ISO11898-1:2015)
+    sample-point-data:
+      type: int
+      required: false
+      description: >
+        Sample point in permille for the data phase.
+        This param is required if segments are not given.
+        If the sample point is given, the segments are ignored.
+    tx-delay-comp-offset:
+      type: int
+      required: false
+      default: 0

dts/bindings/can/microchip,mcp2515.yaml

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+# Copyright (c) 2019 Karsten Koenig
+# SPDX-License-Identifier: Apache-2.0
+
+description: MCP2515 SPI CAN controller
+
+compatible: "microchip,mcp2515"
+
+include: [spi-device.yaml, can-controller.yaml]
+
+properties:
+    osc-freq:
+      type: int
+      required: true
+      description: Frequency of the external oscillator
+    int-gpios:
+      type: phandle-array
+      required: true
+      description: |
+        Interrupt pin.
+
+        This pin signals active low when produced by the controller. The
+        property value should ensure the flags properly describe the signal
+        that is presented to the driver.
+    reg:
+      type: array
+      required: true

dts/bindings/can/nxp,kinetis-flexcan.yaml

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+# Copyright (c) 2019 Vestas Wind Systems A/S
+# SPDX-License-Identifier: Apache-2.0
+
+description: NXP FlexCAN controller
+
+compatible: "nxp,kinetis-flexcan"
+
+include: can-controller.yaml
+
+properties:
+    reg:
+      required: true
+
+    interrupts:
+      required: true
+
+    clocks:
+      required: true
+
+    clk-source:
+      type: int
+      required: true
+      description: CAN engine clock source

dts/bindings/can/renesas,rcar-can.yaml

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+description: Renesas R-Car CAN controller
+
+compatible: "renesas,rcar-can"
+
+include: can-controller.yaml
+
+properties:
+    reg:
+      required: true
+
+    interrupts:
+      required: true
+
+    clocks:
+      required: true

dts/bindings/can/st,stm32-can.yaml

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+description: STM32 CAN controller
+
+compatible: "st,stm32-can"
+
+include: [can-controller.yaml, pinctrl-device.yaml]
+
+properties:
+    reg:
+      required: true
+
+    interrupts:
+      required: true
+
+    clocks:
+      required: true
+
+    pinctrl-0:
+      required: true
+
+    pinctrl-names:
+      required: true
+
+    master-can-reg:
+      type: int
+      required: false
+      description: master can reg when different from current instance

dts/bindings/can/st,stm32-fdcan.yaml

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+description: Bosch m_can CAN-FD controller
+
+compatible: "st,stm32-fdcan"
+
+include: ["bosch,m-can.yaml", "pinctrl-device.yaml"]